#unmarshal

[angry-byte]

Mocked android.os.Parcel

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[gopherdex]

There’s always a bit of friction when it comes to making JSON work with statically types programming language. One one hand, JSON data can be anything from a simple number, to a complex array of embedded objects. Working with a language like Go means you have to make the variable structure of JSON fit into structured variables.

There are two types of data you will encounter when working with JSON:

Structured data

Unstructured data

[gopherdex]

Decoding JSON in Golang using json.Unmarshal vs json.NewDecoder.Decode

I'm developing an API client where I need to encode a JSON payload on request and decode a JSON body from the response. I've read the source code from several libraries and from what I have seen, ...

“It really depends on what your input is. If you look at the implementation of the Decode method of json.Decoder, it buffers the entire JSON value in memory before unmarshalling it into a Go value. So in most cases it won't be any more memory efficient (although this could easily change in a future version of the language).So a better rule of thumb is this:Use json.Decoder if your data is coming from an io.Reader stream, or you need to decode multiple values from a stream of data.Use json.Unmarshal if you already have the JSON data in memory.For the case of reading from an HTTP request, I'd pick json.Decoder since you're obviously reading from a stream.“ - James Henstridge

[gopherdex]

Go's support for JSON is from the encoding/json library. We'll look into parsing JSON first then we'll see how to create JSON data.

[gopherdex]

GoLang - create a JSON array and JSON object

I am developing an app for GoLang. the app is getting JSON data back from a third party I do not see how to create the json object and append it to a json array. What's happening is that I have a ...